The online abuse aimed at Meghan Markle is so severe that palace officials are reportedly upping their social-media monitoring to combat the harassment.

Kensington Palace staff are “devoting more resources to deleting comments” targeting Markle, CNN reports, and actively blocking Twitter and Instagram accounts that post hateful content. A palace insider told the news outlet that software is being used to filter out the use of the n-word, as well as offensive gun and knife emojis.

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1:44Queen Elizabeth II Visits Science Museum

Queen Elizabeth II Visits Science Museum

Last week, the Royal Family released a set of social media guidelines in response to the mounting racist comments and online threats Markle and other members of the family receive.

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The Royals have reason for concern. According to a recent study by U.K. advocacy group Hope Not Hate, just 20 social media accounts were responsible for 70 per cent of the abusive tweets directed towards the pregnant Duchess of Sussex.

Based on a sample of more than 5,000 tweets posted between January and mid-February containing anti-Markle hashtags, Hope Not Hate found that a “tight-knit” group of social media accounts are responsible for most of the harassment. These accounts commonly posted offensive pictures, memes and hashtags.

The organization — which completed the data analysis for CNN — told the outlet that because such a small number of users generated such a large amount of abusive content, there’s reason to believe that the sole purpose of these accounts is to troll Markle. The bios of the anti-Markle Twitter accounts often contained hashtags including #Megxit as well as political ones like #Brexit and #MAGA.